1988-1991 CK 4-SPEED MANUAL TRANSMISSION (M20) PART 1 (CASE & RELATED PARTS) diagram Lt Truck GMC K3500 PICKUP SIERRA XC 4WD

1988-1991 CK 4-SPEED MANUAL TRANSMISSION (M20) PART 1 (CASE & RELATED PARTS)
PNCPart codeTitleQuantity
0 08672987  TRANSMISSION KIT,MAN(SERVICE OVERHAUL)(1990-91)(INCL 2,5-7,11,16,22-24,29-31,33,34,38,41-44,46-48,55,65)(ACDelco #8672987)
0 08672987  TRANSMISSION KIT,MAN(SERVICE OVERHAUL)(1988-89)(INCL 2,5-7,16,22-24,29-31,33,34,38,41-44,46-48,55,65)(ACDelco #8672987)
0 08672945  GASKET KIT, W/SEALS (INCL 33,34,38,54,56,59)
1 08672072  TRANSMISSION, MANUAL (CODE 0CMY,9CMY)(INCL 2-67)
1 08672073  TRANSMISSION, MANUAL (CODE 0KNY,9KNY)(INCL 2-67)
1 08672105  TRANSMISSION, MANUAL (CODE KSY,YBY,GGG)(INCL 2-67)
1 08672106  TRANSMISSION, MANUAL (CODE CRY,YAY,GGD)(INCL 2-67)
2 09422666  ROLLER, MAIN SHAFT PILOT (17 REQD)(*KIT2)
3 03993036  CONE, 3RD & 4TH SPEED GEAR SYNCHRONIZER (2 REQD)
4 03901165  SLEEVE, 3RD & 4TH SPEED
5 03901166  RING, 3RD & 4TH SPEED CLUTCH HUB RETAINING(*KIT2)
6 03866358  INSERT, 1ST & 2ND, 3RD & 4TH SPEED CLUTCH (6 REQD)(*KIT2)
7 03866359  SPRING, 3RD & 4TH SPEED CLUTCH KEY (2 REQD)(*KIT2)
8 03901164  HUB, 3RD & 4TH SPEED CLUTCH
9 03901161  GEAR, 3RD SPEED
10 03932274  BUSHING, 3RD SPEED GEAR
11 03932267  WASHER, 3RD SPEED GEAR THRUST
12 03901158  GEAR, 2ND SPEED
13 03950367  RING, 2ND SPEED GEAR SYNCHRONIZER
14 03932253  BUSHING, 2ND SPEED GEAR
15 14020859  SHAFT, MAIN (32 TEETH OUTPUT)(K)
15 03932265  SHAFT, MAIN (35 TEETH OUTPUT)(C)
16 03866646  SPRING, 1ST & 2ND SPEED CLUTCH KEY FRT & RR (2 REQD)(*KIT2)
17 03946776  HUB, 1ST & 2ND SPEED CLUTCH
18 03901170  GEAR, REVERSE
19 00465455  BUSHING, 1ST SPEED GEAR
20 00456587  PIN, SHIFT LEVER PIVOT SPRING (5/16X3/4)(AS REQD)
21 00476766  GEAR, W/PIN, 1ST SPEED
22 12471606  BEARING, COUNTER GEAR FRT(*KIT2)(ACDelco #RW20-09)
23 03866346  RING, CLUTCH COUNTER GEAR RETAINING (1.450X.28X.097)(*KIT2)
23 12337982  WASHER, CLUTCH COUNTER GEAR RETAINING (1.940X.00X.111)(*KIT2)
24 03901153  WASHER, COUNTER GEAR THRUST(*KIT2)
25 08672344  GEAR, W/SPACER, CLUTCH COUNTER
25 08672344  GEAR,4TH(ON 1989 & PRIOR VEHICLES MAY NEED 2 DISCARD OLD THRUST WASHER)
26 14020811  SPACER, COUNTER GEAR (1.56 INCH LONG)
27 03968038  GEAR,3RD CNTR
28 14053671  GEAR, COUNTER
29 08672404  BEARING, COUNTER GEAR RR(*KIT2)
30 02600236  RING, COUNTER GEAR RR BEARING RETAINING(*KIT2)
31 03866346  RING, COUNTER GEAR RETAINING(*KIT2)
32 03901178  RETAINER,TRANS MAIN DRIVE GEAR BEARING(ACDelco #3901178)
33 12337932  GASKET, MAIN DRIVE GEAR BEARING RETAINER(*KIT1,KIT2)(ACDelco #12337932)
34 03987937  SEAL, MAIN DRIVE GEAR BEARING OIL(*KIT1,KIT2)
35 03920784  BOLT, W/LOCK WASHER, MAIN DRIVE GEAR BEARING RETAINER (4 REQD)
36 11561048  BOLT, HFH (3/8-16X5/8, 280M POR)(AS REQD)
36 19332211  ADHESIVE,GENERAL PURPOSE (0.20 OZ)(THREADLOCKER)(ADHESIVE KIT, THREAD LOCK (10 ML)(AS REQD))(AR)(ACDelco #10-1021) AR
37 12547312  COVER, POWER TAKE OFF (2 REQD)(ACDelco #12547312)
38 08672163  GASKET, POWER TAKE OFF COVER (2 REQD)(*KIT1,KIT2)
39 00465451  CASE, W/MAGNET & PLUGS
40 12471607  MAGNET, CHIP COLLECTOR(ACDelco #12471607)
41 03901152  RING, MAIN DRIVE GEAR RETAINING (2.0 INCH DIA)(*KIT2)
42 03866655  RING, MAIN DRIVE GEAR BEARING RETAINING (3.7 INCH DIA)(*KIT2)
43 08672061  BEARING, W/SLINGER, MAIN DRIVE GEAR (1988-89,1990 1ST DES)(*KIT2)(ACDelco #8672061)
43 08672405  BEARING, W/SLINGER, MAIN DRIVE GEAR (INCL 42,44)(1990 2ND DES,1991)(*KIT2)
44 12338118  SLINGER, MAIN DRIVE GEAR BEARING OIL (1988-89,1990 1ST DES)(*KIT2)
45 08672408  GEAR, MAIN DRIVE (17 TEETH)(1990 2ND DES,1991)(*01)
45 08672408  GEAR,TRANS CLU(17 TEETH)(1988-89,1990 1ST DES)(MUST ALSO USE 08672405 BEARING & DISCARD OIL SLINGER)
46 03901166  RING, MAIN DRIVE GEAR PILOT BEARING RETAINER OIL(*KIT2)
47 00465450  WASHER, 1ST SPEED GEAR THRUST(*KIT2)
48 08672404  BEARING, MAIN SHAFT RR(*KIT2)
49 03901141  GEAR, W/BUSHING, REVERSE IDLER
50 03901144  SHAFT, REVERSE IDLER
51 02600236  RING, MAIN SHAFT RR BEARING RETAINING
52 09438486  SCREW, PAN HD SLOTTED (#10-24X3/8)(AS REQD)
53 03866347  CAP, COUNTER GEAR FRT BEARING
54 08672162  GASKET, COUNTER GEAR FRT BEARING CAP(*KIT1)
55 03968034  PLUG, MAGNETIC PIPE(*KIT2)
55 00444746  PLUG, SQ HD FILL & DRAIN (1/2-14)(AS REQD)(*KIT2)
56 08672160  GASKET, ADAPTER TO TRANS(*KIT1)
57 23046538  WHEEL, VEH SPD SEN RELUCTOR
58 15521967  RETAINER, RR BEARING, W/SEAL(M20)
58 15592354  RETAINER, RR BEARING, W/PIN (K)
59 15595878  SEAL, U JOINT FRT FLANGE( M/TRNS(M20))(*KIT1)
60 03915056  FLANGE, U JOINT FRT (TYPE M)( M/TRNS(M20))
61 03830575  NUT, U JOINT FRT FLANGE LOCK(M20)
62 00141242  PIN, DOWEL (3/8X7/8)
63 02059927  BOLT, ADAPTER TO TRANS (8 REQD)(ACDelco #2059927)
64 19108029  SENSOR, TRANS SPEED
65 00335366  WASHER, MAIN SHAFT BEARING LOCK(*KIT2)
66 12388448  NUT, SPL BRG (1 9/16-18)(4 SLOTS)(ROUND)(AS REQD)
67 15597793  ADAPTER, TRANSFER CASE